3143242421402 has 32 divisors (see below), whose sum is σ = 5042641305600. Its totient is φ = 1466173901808.

The previous prime is 3143242421383. The next prime is 3143242421411. The reversal of 3143242421402 is 2041242423413.

It is a happy number.

It is a super-2 number, since 2×3143242421402² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215002 + ... + 4904357.

It is an arithmetic number, because the mean of its divisors is an integer number (157582540800).

Almost surely, 2^{3143242421402} is an apocalyptic number.

3143242421402 is a deficient number, since it is larger than the sum of its proper divisors (1899398884198).

3143242421402 is a wasteful number, since it uses less digits than its factorization.

3143242421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119570.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 3143242421402 its reverse (2041242423413), we get a palindrome (5184484844815).

The spelling of 3143242421402 in words is "three trillion, one hundred forty-three billion, two hundred forty-two million, four hundred twenty-one thousand, four hundred two".